database-connection
How to connect to Play Framework in-memory database using JDBC?
I use the in-memory database that comes with Play Framework, when I have db=mem in the configuration file, for development.[详细]
2023-03-20 21:29 分类:问答LINQ to Entities: DB connection failed
I\'ve just converted my data access from Linq to SQL to Linq to Entities.I\'ve created my edms and a have updated my class as follows but I\'m getting any error that the connection is not found.The er[详细]
2023-03-20 12:59 分类:问答How to connect with multiple DBs in a asp.net web application?
I have a application which validates UserID - UserID 开发者_如何学Cis of 32 digit UID...... i need to validate the UID to find where this user exists in[详细]
2023-03-20 08:15 分类:问答transaction handling : How are simultaneous transaction managed?
Suppo开发者_如何学Gose a withdrawal transaction of 6000 is happening on account ABC(fund:1000) and at the same time a withdrawl of 8000 is carried out from ATM. Then how will the transaction be manage[详细]
2023-03-20 06:52 分类:问答Glassfish database connection leak caused by jms exception
I\'m using Glassfish v2.1.1, MySQL 5.1 and ActiveMQ 5.4.2 incl. its resource adapter. If t开发者_如何学JAVAhe ActiveMQ resource adapter throws an exception when participating in a XATransaction includ[详细]
2023-03-19 13:47 分类:问答Closing a conneciton in the "unload" method
I have inherited a web framework whereby the previous developer has opened and closed his database connections in the init/unload methods of the page life cycle. Essentially constructor is like this ([详细]
2023-03-19 13:42 分类:问答Android: Connect to Oracle database via username and password and present data from the database to user?
I\'m developing a web app with Java Servlets that can access an oracle database through the T开发者_如何学编程omcat server. I am also developing an android app that I want to use to be able to display[详细]
2023-03-19 12:55 分类:问答Can we get a read-only connection to MySQL Server? Or set autocommit to false by default?
Recently a colleague of mine messed up with one of our databases. Hence I would like to know that is there a way to get a read-only connection to the MySQL Server from the MySQL Workbench? If not, is[详细]
2023-03-19 05:46 分类:问答database connection using "try finally "
Can someone enlighten me on handling the database connection (and errors) using try finally ? What would be the best practice ?[详细]
2023-03-19 01:20 分类:问答Upload into database using Perl
I have the folling Perl script that I am using to import data directly into a database form an html file. The file is called \'demo.htm\'. The script works without the databse connection part in that[详细]
2023-03-18 20:05 分类:问答